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TREES OF MINNESOTA. 



Plate 54. Acer rubrum. Red Maple. 



i. Branch bearing staminate flowers, one-half natural size. 2. Branch 

 bearing pistillate flowers, one-half natural size. 3. Staminate flower, en- 

 larged. 4. Pistillate flower, enlarged. 5. Fruiting branch, one-half nat 

 ural size. 6. Longitudinal section ot fruit, one-halt natural size. 7. Lon- 

 gitudinal section of seed, enlarged. 8. Embryo, displayed, enlarged. 9. 

 Winter branchlet, one-half natural size. 



